US PATENT SUBCLASS 290 / 12
.~.~.~.~ Rotary field and armature

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


290 /   HD   PRIME-MOVER DYNAMO PLANTS

7  DF  ELECTRIC CONTROL {10}
*  DD  .~ Traction {5}
9  DF  .~.~ Electric traction motor {3}
10  DF  .~.~.~ With starting and generating dynamo {3}
12.~.~.~.~ Rotary field and armature

DEFINITION

Classification: 290/12

Electric-control traction-motor prime-mover dynamo plants having in addition to the traction-motor a starting and generating dynamo and wherein one or more of the dynamo electric machines have both field and armature rotatable.